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Published at December 4A Novel and Simple Invariant-Domain-Preserving Framework for PAMPA Scheme: 1D Case
math.NA
cs.NA
physics.comp-ph
physics.flu-dyn
Released Date: December 4, 2024
Authors: Rémi Abgrall, Miaosen Jiao1, Yongle Liu2, Kailiang Wu3
Aff.: 1Department of Mathematics, Southern University of Science and Technology; 2Institute of Mathematics, University of Zürich; 3Department of Mathematics and Shenzhen International Center for Mathematics, Southern University of Science and Technology

| IDP PAMPA | IDP PAMPA with OE | IDP PAMPA with MP | |||||
|---|---|---|---|---|---|---|---|
| Error | Order | Error | Order | Error | Order | ||
| 20 | 2.66e-2 | - | 4.12e-2 | - | 2.68e-2 | - | |
| 40 | 5.60e-3 | 2.25 | 6.60e-3 | 2.63 | 5.40e-3 | 2.30 | |
| 80 | 8.62e-4 | 2.69 | 8.76e-4 | 2.92 | 8.57e-4 | 2.67 | |
| 160 | 1.09e-4 | 2.98 | 1.09-4 | 3.00 | 1.09e-4 | 2.97 | |
| 320 | 1.37e-5 | 3.00 | 1.37e-5 | 3.00 | 1.37e-5 | 3.00 | |
| 640 | 1.71e-6 | 3.00 | 1.71e-6 | 3.00 | 1.71e-6 | 3.00 | |
| 1280 | 2.14e-7 | 3.00 | 2.14e-7 | 3.00 | 2.14e-7 | 3.00 | |
| 20 | 2.94e-2 | - | 4.34e-2 | - | 2.93e-2 | - | |
| 40 | 5.50e-3 | 2.42 | 6.50e-3 | 2.73 | 5.30e-3 | 2.47 | |
| 80 | 8.49e-4 | 2.69 | 8.73e-4 | 2.90 | 8.39e-4 | 2.65 | |
| 160 | 1.09e-4 | 2.96 | 1.09e-4 | 3.00 | 1.09e-4 | 2.95 | |
| 320 | 1.36e-5 | 3.00 | 1.36e-5 | 3.00 | 1.36e-5 | 3.00 | |
| 640 | 1.71e-6 | 3.00 | 1.71e-6 | 3.00 | 1.71e-6 | 3.00 | |
| 1280 | 2.14e-7 | 3.00 | 2.14e-7 | 3.00 | 2.14e-7 | 3.00 | |